SIP trunking is financially attractive. But it is important to size your SIP trunking to support the calling services that your enterprise requires The proliferation of SIP trunking makes the ...

If you still think SIP trunking is primarily about cost savings -- guess what? You're still right. The conventional wisdom on SIP trunking was expected to shift over time, in a classic new-technology ...

XO Communications has unveiled an enterprise-class, multi-site Session Initiation Protocol trunking solution designed to add flexibility and scalability to distributed voice network architecture for a ...

Are SIP trunks as reliable as an ISDN PRI T1? I’m asked this question a lot, so I thought it’d be a great blog topic. I don’t think you are as concerned with this as the amber lights in the server ...